ICT Infrastructure Engineer

Location: London, Croydon, Cambridge, Bristol, Brighton, Birmingham

Recruiter contact: Andrea Gaffney

Overview of the role

We are seeking an Information Communication Technology (ICT) Principal Engineer to design Security Systems and ICT Infrastructure with our Digital Infrastructure team. The role is within our Buildings division to work with our multidisciplinary Building Services Mechanical, Electrical and Public Health (MEP) team.

This role is ideally based in one of our South‑East UK offices (London, Croydon, Cambridge, Brighton, Birmingham and Bristol), with opportunities to contribute to national and international projects.

You will play a key role in both winning and delivering major projects across diverse sectors, including:

• Healthcare
• Defence and civic infrastructure
• Airports
• Railway stations
• Residential developments
• Data centres

Mott MacDonald has a strong track record in delivering large‑scale infrastructure projects, and you will contribute to this legacy by leading high‑profile, complex schemes and driving technical excellence.

Key responsibilities and duties

• Deliver ICT design for major projects from concept through to detailed design.
• Coordinate with multidisciplinary teams and collaborate with architects and civil engineers.
• Work with clients to understand requirements, develop, define and document appropriate solutions.
• Build and maintain strong client relationships, ensuring high‑quality service delivery.
• Support senior managers running the commercial and contractual side of projects.
• Work autonomously within a team carrying out building services projects.
• Prepare design documents including sketches, drawings, reports, schedules and specifications.
• Work at various project phases including feasibility, concept & detail design, procurement, construction, testing, commissioning, handover and in‑use.
• Review and coordinate designs with other design disciplines both internally and externally.
• Review and comment on third‑party designs and check against briefs and standards.
• Inspect and witness testing of under construction or as‑built systems and report findings.
• Keep updated on technical standards, technical and product developments, identifying opportunities for training, development and growth.
• Support the learning and development of early career professionals in the team.

Candidate specification

Essential

• Proven experience delivering projects within the built environment.
• Extensive ICT infrastructure design experience across concept and detailed design stages.
• Capable to lead design and specification of CCTV systems, access control systems, intruder detection systems and integrated security management systems.
• Experience of leading structured design processes such as Home Office ‘Operational Requirements’.
• Demonstrated ability to lead teams and coordinate with other disciplines; delivery of coordinated MEP 3D design models.
• Leader of ICT elements of one large project or a portfolio of smaller projects.
• Track record in building services ICT engineering design and specification using industry software such as NBS Create and Revit.
• Excellent communication skills, including report writing and presentations.

Desirable

• Degree‑qualified ICT Engineer with a strong background in Building Services.
• BICSI Registered Communications Distribution Designer (RCDD) or equivalent certification.
• Chartered Engineer (CEng) status with IET, CIBSE or equivalent professional body.
• Experience in MoD/defence, healthcare, infrastructure, aviation, rail, residential or data centre sectors.
• Experience designing Active Ethernet and PON network infrastructure, Audio, Electronic security systems, Fire detection, public address, voice alarm and EVC systems.
• Awareness of Cyber Security design principles.
• Experience in work‑winning and bid support.
• Familiarity with digital engineering tools and emerging technologies.
• Up‑to‑date knowledge of building regulations, legislation and standards applicable in building and infrastructure design.
• Experience training graduates / Early Career Professionals.
• Ability to drive profitability of projects, monitor against budget, react and anticipate potential problems and communicate in line with client expectations.

Additional expectations

• Willingness to travel within the UK and occasionally internationally as required.
• Commitment to high standards of corporate governance and project delivery.

Security clearance

While security clearance is not required for application, candidates may be asked to undertake clearance for UK defence projects. Offers for this role are conditional upon obtaining the appropriate level of security clearance.

Equality, diversity and inclusion

We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will discuss how we can support you.

Financial wellbeing

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4× your basic salary, with an option to increase the level of cover to 6× your salary.
• Income protection scheme provides a financial benefit, as well as absence and return to work support due to long‑term illness or injury.
• Flexible benefits including increased life assurance cover, critical illness insurance, payroll savings and will writing.
• Annual bonus schemes linked to the financial success of the business.

Employee ownership

• No external investors – just us, creating a culture of shared success.
• Employees have a stake and a voice in our business, with direct connection to success through personal and group performance bonuses.
• As your career grows, your stake grows, recognising your long‑term impact and contribution.
• Your voice matters, with opportunities to connect directly with senior leadership through formal channels.
• Senior roles have a direct pathway towards ownership from day one.

Health and wellbeing

• Private medical insurance for all UK colleagues.
• Health cash plan to support everyday health costs and treatments.
• Access to Peppy, providing free support from menopause experts for all UK colleagues.
• Wellbeing support through a comprehensive wellbeing programme, including access for you and your family.
• Option to flex your salary to opt into a range of health benefits, many of which can be extended to family.

Lifestyle

• Minimum of 33–35 days holiday per year, inclusive of public holidays, with the option to buy or sell leave through a flexible benefits programme.
• 10 days additional paid leave for Armed Forces Reservists and Cadet Force Adult Volunteers.
• Holiday entitlement increases to a minimum of 35 days after 5 years’ service.
• Variety of employee savings schemes and discounts from high‑street retailers.

Enhanced family and carers leave

• 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
• Shared parental leave matches maternity leave; up to 24 weeks at full pay.
• Up to five additional days leave for significant caring responsibilities, two of which are paid.
• Policies and support for military families to balance service life with career and wellbeing.

Learning and development

• Primary annual professional institution subscription.
• Broad range of opportunities to enhance both technical and soft skills through mentoring, formal training and self‑development options.

Networks, communities and social outcomes

• Wide range of groups including Advanced Employee Networks supporting LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
• Signatories of the Armed Forces Covenant and Gold Award holders in the MOD Employer Recognition Scheme, with an internal Armed Forces Network.
• Opportunities to make a difference within communities through social outcomes.

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